Summary:

• Have 7 years of experience in middleware management production support.
• Experience in Administration of Oracle Weblogic Server 11g, 9.1/8.1, IBM Websphere Application Server 7.0/6.x, SunOne Webserver v6.0, Apache WebServer v2.2 on Sun Solaris UNIX , Red Hat Linux and Windows platforms.
• Working knowledge on JBOSS application server and Apache TOMCAT.
• Fine-tuned JBOSS and TOMCAT server as per application requirements.
• Well skilled in Installation, Configuration, and Maintenance of application on different middleware platforms on different UNIX/Linux platforms.
• Expertise in setting up the Development, Testing, Staging and Production environments.
• Experience in maintaining IBM Websphere Network Deployment V5.1/V6.1/V7.
• In depth knowledge of n-tier Architecture with strong problem determination and resolution skills.
• Involved in Migration of Weblogic from older versions to new versions.
• Automated admin tasks on Weblogic and Websphere.
• Experienced in writing Weblogic Scripting tool WLST Scripts to monitor different Weblogic components.
• Configured and tuned JDBC connection pools.
• Experience in Clustering both horizontal and vertical , creation and maintenance of Domains, Nodes and Managed Servers instances in a BEA Weblogic environment.
• Installed and configured SunOne and Apache Web Servers in various environments.
• Deployed applications and maintained Load balancing, High Availability and Fail over functionality.
• Monitored servers, application and resources using Wily Introscope, Nagios and Splunk.
• Extensively used Splunk in generating reports, creating dashboards and gathering metrics.
• Coordinating with network team to configure Load Balancer for request distribution to apache web layer.
• Excellent knowledge of writing UNIX Shell scripts to automate System Admin jobs.
• Proficient in Shell scripting and performance tuning of UNIX systems.
• Created cron jobs and scheduled many automated tasks.
• Experienced in applying patches and plug-ins for Weblogic Application Server.
• Extensive experience in configuring and managing secured environments using SSL and digital certificates.
• Configured Webserver Plug-ins for both Weblogic and Websphere.
• Well versed with Windows 2000, 2003, XP , UNIX, Linux Redhat and Solaris.
• Experienced in Backup Recovery procedures.
• Excellent communication, presentation, customer support and troubleshooting skills.
• Provided 24 7 on call support on rotation basis.

Technical Expertise

• Application Server : Oracle Weblogic, IBM Websphere, JBOSS Application server and TOMCAT.
• Web Server : Apache 2.x, Sun ONE 6.x, IBM-HTTP Server, IIS webserver.
• Scripting Languages : WLST, Shell Scripting, Perl Scripting and ANT
• Monitoring Tools : Wily Introscope, Nagios, Splunk, BAC, JMeter, Samurai,TDA.
• Operating Systems : Solaris, RHEL, IBM-AIX, Windows 98/2000/NT/XP.
• Database : Oracle 8i/9i/10g, MS SQL Server, Sybase, Pointbase, MS Access and DB2.
• Networking Protocols : TCP/IP, Telnet, HTTP, HTTPS, FTP, SNMP, LDAP, DNS.

Professional Experience

Confidential

Role: Sr. Middleware Administrator

Responsibilities:

• Extensively worked on administration of Oracle Weblogic 10.0 MP1/10.3.x Application Server.
• Working knowledge on JBOSS Application server.
• Installed and configured multiple domains on Weblogic JBOSS and completely created new Development, test, SIT and production environments.
• Configured TOMCAT and Apache Web Server with the Weblogic Application Server and JBOSS server for load balancing.
• Worked in the migration of applications from Weblogic 9.2.2 to 10.3.5.
• Working with infrastructure team to deliver environments for each project release on time.
• Performed multiple deployments during upgrade of Weblogic Server from 8.1 to 10.3 in Web Center Environment.
• Worked extensively on performance tuning of applications on Weblogic and JBOSS to improve response times and identify bottlenecks.
• Troubleshooting and fixing the issues occurred during the deployment of Java applications and EJB components.
• Performed multiple and consistent deployments to Weblogic environments as part of application rollout and eventually scripted it to automate deployments using WLST.

Utilized Remedy Problem Change management application for management of problem tickets and production change requests.

• Configured Web Server plug-ins for Application Servers Weblogic and WebSphere.
• Work on Web Security tools- LDAP Server, SSL Certificates and client authentication.
• JMS Configurations JMS Server, Connection Factory, Foreign JMS server, Message Bridge, Topic/Queue, Distributed destinations.
• Configured WILY Introscope for monitoring on all the Application wsdl's and instances on Production.
• Used Wily for understanding Heap and thread behavior of application.
• Setup Splunk alerts to trigger email notification in case of fault codes.
• Monitoring the logs, fixing the problems and tuning parameters on Weblogic environment.
• Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance.
• Managed and monitored the JVM performance by Weblogic Heap Size, garbage collection, JDBC Pools and Multi pools.
• Used Jconsole and JVisualVM utilities to monitor JVM Performance.
• Involved in creating SSL certs and renewing certificates.
• Analyzing the Log Files, Thread Dumps, JVM Dumps, Exception Stack Traces.
• Coordinated with many teams at a time during the production release.
• Automated many administrator tasks by writing shell scripts, WLST.
• 24 x 7 responses to alarms in Wily, Splunk and BAC alerts, as well as in-house developed monitoring systems.

Environment: Weblogic 8.1/9.2/10.3.x, JBOSS, TOMCAT, Apache 2.x, SunOne, IIS, Linux, Windows 2000,XP,7 , EJB, J2EE applications, JDBC, XML, UNIX shell Scripting, Wily Introscope, WLST

Confidential

Role: Middleware/ Systems Administrator

Responsibilities:

• Extensively worked on administration of BEA Weblogic 10.0 MP1 Application Server and IBM WebSphere Application Server V6.
• Installed, configured and administered BEA Weblogic server 8.x/10.x.
• Installed, configured and administered and integrated Apache Web Server to work with the Application Server.
• Support in migration of applications from WebSphere V6 to Weblogic 10.3.
• Working with engineering team to deliver environments for each project release on time.
• Performed multiple deployments during migration of applications from WebSphere Application Server to Weblogic 10.3.
• Configured Weblogic Server resources using WLST for all web applications in the upgraded environment.
• Created managed servers and configured Clusters for these managed servers.
• Very strong understanding of apache mod rewrite rules for redirecting the URL's in many web based applications.
• Configuring NSAPI Plug-in and ISAPI Plug-in to communicate with the Weblogic server.
• Worked closely with network team and SSO - Single Sign On team.
• Installing patches to different versions of Weblogic using SmartUpdate tool.
• Upgrading the versions of WebSphere using the UpdateInstaller.
• Configured and administered Weblogic services like JMS, JNDI, JMX and JDBC.
• Involved in cluster environment creation and deploying various J2EE applications on the managed servers and implemented Load Balancing, High Availability and Failover features.
• Involved in Load testing of the application running on Weblogic server using various tools.
• Thread and Heap analysis using thread dump tools like IBM Heap Analyser, samurai and TDA and finding the blocking and locked threads.
• Involved in creating SSL certs and renewing certificates.
• Troubleshooting and fixing of problems on Weblogic Application Server.
• Configuration of JDBC connections and data sources with Oracle database server 10.x.
• Monitoring the error logs, fixing the problems and tuning parameters on Weblogic environment.
• Written Unix Shell Scripts and scripts for the Auto Deployment process of applications.
• Maintaining code and configuration file in version management tool like ClearCase.
• Involved in configuring management, software deployment, change management, performance monitoring, and application maintenance.
• Documenting the SOP's and design procedures and test plans for the support of the applications in the Environment.
• Worked with several vendors for some advanced troubleshooting.

Environment: Weblogic 8.1/9.2/10.3, WebSphere 6.x/7, Apache 2.x, SunOne, IIS, Linux, Windows 2000,XP , EJB, J2EE applications, JDBC, XML, UNIX shell Scripting, Perl Scripting, BMC Patrol, WLST.

Confidential

Role: Application support Analyst

Responsibilities:

• Installing and Configured Weblogic 8.1 Servers, Domains and Clusters.
• Configuring Clusters on Weblogic using the Weblogic Console.
• Server log and Domain log monitoring, Application Deployment, and performance tuning of Weblogic. Setting the JVM parameters like maximum and minimum heap size in Weblogic startup scripts.
• Starting, stopping and clearing the cache of Web Logic servers.
• Monitoring the application servers with the help of Sitescope and also by writing UNIX scripts that will send an email/page whenever something fails.
• Deploying and configuring in various environments like Production, Staging and Testing on a single Server and a cluster of Servers Also I used to trouble shoot the deployment issues.
• Tuned Execute Thread Counts by using the Native I/O Mixers.
• Configured and maintained the Weblogic Load balancing Clusters.
• Fine Tuned the JDBC Connection Pools Initial and Maximum Capacity to the same value in production systems to avoid creating new connections on the fly during load spikes.
• SSL, IPsec and HTTPS for communication and transactional security.
• Used S/MIME and PGP for email security using PKI.
• Interacted with Development Teams for Application Architecture changes, with respective to Weblogic configurations.
• Installed Web logic Service Packs, licenses in Production Box.
• Configuring and Maintaining the Web logic and CSS Load balancing Clusters.
• Maintained Queues, Topics, in Web logic JMS Server.
• Monitor the Web logic Execute Queues, JMS Queues.
• Involved with troubleshooting the Applications to detect and eliminate the Memory Leaks.
• Configured the JDBC Connection Pools and Tuned the connection Pools for the SSP and FTTP applications.
• Monitoring idle thread count, garbage collection, EJB Beans and JDBC pools on Web logic Server.
• Automated and scheduled backups on all UNIX machines using shell script.
• Writing UNIX shell scripts start stop for web application server administration.
• Creating new file system, permitting user to mount file system, monitoring free space, disk usage, locating files, checking clearing log files, administration and monitoring of disk based file system.
• Providing administrative support for IIS in windows NT/2000 servers.
• Installing and configuring iPlanet servers.

Environment: Weblogic Application Server 8.1/9.1, SUN Solaris 2.8, Windows 2000, Iplanet WebServer 6.0, Oracle 9i.

Confidential

Role: Weblogic Administrator

Responsibilities:

• Installed and configured Apache web server 1.3.35 in all the environments.
• Deploy WAR, JAR, and EAR applications in Weblogic 7.0.
• Configure and administer JDBC, JMS, JNDI, and SNMP in Weblogic Server 7.0.
• Installed, configured, administered BEA Weblogic Server 7.0 in various environments.
• Deployed the applications on multiple Weblogic Servers and maintained Load balancing, High Availability and Fail over functionality.
• Configured Clustering of EJB objects, JDBC connections and JMS connection factories.
• Setting up the cluster environment for Weblogic Server integrated with multiple workflows.
• Configure Node manager to administer the Managed Servers.
• Involved in doing a performance benchmark of Weblogic server by using Loadrunner.
• Used config wizard and config builder extensively to create and manage Weblogic domains.
• Configured and deployed applications in various work environments like Development mode, Production mode and RTB Release Test Bed .
• Researched and Troubleshooted emerging application issues, from Weblogic configuration to code issues.
• Applying the patches to the Weblogic servers.

Environment: Weblogic Application Server 7.0, Apache, Windows 2000, Oracle 9i.